Expression::staticField() - Code Metrics - TimeToogo/Pinq - Measure and Improve Code Quality continuously with Scrutinizer

Expression::staticField() A
last analyzed 2017-09-06 06:30 UTC

↳ Parent: Expression

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	6
rs	9.4285
cc	1
eloc	4
nc	1
nop	2

<?php

namespace Pinq\Expressions;

use Pinq\PinqException;
use Pinq\Utilities;

/**
 * The base class for object expressions.
 *
 * @author Elliot Levin <[email protected]>
 */
abstract class Expression implements \Serializable
{
    const EXPRESSION_TYPE = __CLASS__;

    /**
     * Gets the class name as a string.
     *
     * @return string
     */
    final public static function getType()
    {
        return get_called_class();
    }

    /**
     * Gets a string representing the name of the expression.
     *
     * For instance \Pinq\Expressions\BinaryOperationExpression::getExpressionTypeName()
     * returns 'BinaryOperation'
     *
     * @return string
     */
    final public static function getExpressionTypeName()
    {
        return substr(get_called_class(), strlen(__NAMESPACE__) + 1, -strlen('Expression'));
    }

    /**
     * @param Expression[]       $expressions
     * @param IEvaluationContext $context
     *
     * @return Expression[]
     */
    final public static function simplifyAll(
            array $expressions,
            IEvaluationContext $context = null
    ) {
        $simplifiedExpressions = [];
        foreach ($expressions as $expression) {
            $simplifiedExpressions[] = $expression->simplify($context);
        }

        return $simplifiedExpressions;
    }

    /**
     * Returns whether the supplied name is considered normal name syntax
     * and can be used plainly in code.
     * Example:
     * 'foo' -> yes: $foo
     * 'foo bar' -> no: ${'foo bar'}
     *
     * @param string $name The field, function, method or variable name
     *
     * @return boolean
     */
    final protected static function isNormalSyntaxName($name)
    {
        return preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $name);
    }

    /**
     * Verifies the supplied array only contains expressions
     * of the supplied type.
     *
     * @param mixed[] $expressions
     * @param string  $type
     *
     * @return Expression[]
     * @throws PinqException If the array contains invalid expressions.
     */
    final protected static function verifyAll(array $expressions, $type = __CLASS__)
    {
        foreach ($expressions as $key => $expression) {
            if (!($expression instanceof $type)) {
                throw new PinqException(
                        'Invalid array of expressions: invalid expression of type %s at index %s, expecting %s',
                        Utilities::getTypeOrClass($expression),
                        $key,
                        $type);
            }
        }

        return $expressions;
    }

    /**
     * @param ExpressionWalker $walker
     *
     * @return Expression
     */
    abstract public function traverse(ExpressionWalker $walker);

    /**
     * Creates an expression evaluator for the expression with
     * the supplied context.
     *
     * @param IEvaluationContext|null $context
     *
     * @return IEvaluator
     */
    public function asEvaluator(IEvaluationContext $context = null)
    {
        return CompiledEvaluator::fromExpressions([Expression::returnExpression($this)], $context);
    }

    final protected static function cannotEvaluate()
    {
        return new PinqException(
                'Cannot evaluate expression of type %s',
                get_called_class());
    }

    /**
     * Evaluates the expression tree in the supplied context
     * and returns the resulting value.
     *
     * @param IEvaluationContext|null $context
     *
     * @return mixed
     */
    public function evaluate(IEvaluationContext $context = null)
    {
        return $this->asEvaluator($context)->evaluate();
    }

    /**
     * Simplifies the expression tree in the supplied context.
     * Example:
     * <code>
     * -2 + 4
     * </code>
     * Will become:
     * <code>
     * 2
     * </code>
     *
     * @param IEvaluationContext|null $context
     *
     * @return Expression
     */
    public function simplify(IEvaluationContext $context = null)
    {
        return Expression::value($this->evaluate($context));
    }

    /**
     * Returns a value hash for the expression.
     *
     * @return string
     */
    final public function hash()
    {
        return md5($this->compile());
    }

    final public function __toString()
    {
        return $this->compile();
    }

    abstract public function __clone();

    /**
     * Returns whether the expression is equivalent to the supplied expression.
     *
     * @param Expression $expression
     *
     * @return boolean
     */
    public function equals(Expression $expression)
    {
        return $this == $expression;
    }

    /**
     * Returns a value hash for the supplied expressions.
     *
     * @param Expression[] $expressions
     *
     * @return string
     */
    final public static function hashAll(array $expressions)
    {
        return md5(implode('~', self::compileAll($expressions)));
    }

    /**
     * Compiles into equivalent PHP code
     *
     * @param Expression[] $expressions
     *
     * @return string[]
     */
    final public static function compileAll(array $expressions)
    {
        return array_map(
                function (Expression $expression) {
                    return $expression->compile();
                },
                $expressions
        );
    }

    /**
     * Compiles the expression tree into equivalent PHP code.
     *
     * @return string
     */
    final public function compile()
    {
        $code = '';
        $this->compileCode($code);

        return $code;
    }

    /**
     * Compiles the expression tree into debug code.
     *
     * @return string
     */
    final public function compileDebug()
    {
        return (new DynamicExpressionWalker([
                ValueExpression::getType() =>
                        function (ValueExpression $expression) {
                            $value = $expression->getValue();

                            return !is_scalar($value) && $value !== null ?
                                    Expression::constant(
                                            '{' . Utilities::getTypeOrClass($expression->getValue()) . '}'
                                    ) : $expression;
                        }
        ]))
                ->walk($this)
                ->compile();
    }

    abstract protected function compileCode(&$code);

    /**
     * Returns whether the expressions are all of the supplied type.
     *
     * @param Expression[] $expressions
     * @param string       $type
     * @param boolean      $allowNull
     *
     * @return boolean
     */
    final public static function allOfType(array $expressions, $type, $allowNull = false)
    {
        foreach ($expressions as $expression) {
            if ($expression instanceof $type || $expression === null && $allowNull) {
                continue;
            }

            return false;
        }

        return true;
    }

    /**
     * @param Expression|null[] $expressions
     *
     * @return Expression|null[]
     */
    final public static function cloneAll(array $expressions)
    {
        return array_map(
                function (Expression $expression = null) {
                    return $expression === null ? null : clone $expression;
                },
                $expressions
        );
    }

    /**
     * @param Expression $assignToValue
     * @param string     $assignmentOperator
     * @param Expression $assignmentValue
     *
     * @return AssignmentExpression
     */
    final public static function assign(Expression $assignToValue, $assignmentOperator, Expression $assignmentValue)
    {
        return new AssignmentExpression(
                $assignToValue,
                $assignmentOperator,
                $assignmentValue);
    }

    /**
     * @param Expression $leftOperand
     * @param string     $operator
     * @param Expression $rightOperand
     *
     * @return BinaryOperationExpression
     */
    final public static function binaryOperation(Expression $leftOperand, $operator, Expression $rightOperand)
    {
        return new BinaryOperationExpression(
                $leftOperand,
                $operator,
                $rightOperand);
    }

    /**
     * @param string     $unaryOperator
     * @param Expression $operand
     *
     * @return UnaryOperationExpression
     */
    final public static function unaryOperation($unaryOperator, Expression $operand)
    {
        return new UnaryOperationExpression($unaryOperator, $operand);
    }

    /**
     * @param Expression           $classType
     * @param ArgumentExpression[] $arguments
     *
     * @return NewExpression
     */
    final public static function newExpression(Expression $classType, array $arguments = [])
    {
        return new NewExpression($classType, $arguments);
    }

    /**
     * @param Expression           $value
     * @param Expression           $name
     * @param ArgumentExpression[] $arguments
     *
     * @return MethodCallExpression
     */
    final public static function methodCall(Expression $value, Expression $name, array $arguments = [])
    {
        return new MethodCallExpression(
                $value,
                $name,
                $arguments);
    }

    /**
     * @param Expression $value
     * @param Expression $name
     *
     * @return FieldExpression
     */
    final public static function field(Expression $value, Expression $name)
    {
        return new FieldExpression($value, $name);
    }

    /**
     * @param Expression      $value
     * @param Expression|null $index
     *
     * @return IndexExpression
     */
    final public static function index(Expression $value, Expression $index = null)
    {
        return new IndexExpression($value, $index);
    }

    /**
     * @param Expression           $valueExpression
     * @param ArgumentExpression[] $arguments
     *
     * @return InvocationExpression
     */
    final public static function invocation(Expression $valueExpression, array $arguments = [])
    {
        return new InvocationExpression($valueExpression, $arguments);
    }

    /**
     * @param string     $castType
     * @param Expression $castValue
     *
     * @return CastExpression
     */
    final public static function cast($castType, Expression $castValue)
    {
        return new CastExpression($castType, $castValue);
    }

    // <editor-fold desc="Factory Methods">

    /**
     * @param Expression $value
     *
     * @return EmptyExpression
     */
    final public static function emptyExpression(Expression $value)
    {
        return new EmptyExpression($value);
    }

    /**
     * @param Expression[] $values
     *
     * @return IssetExpression
     */
    final public static function issetExpression(array $values)
    {
        return new IssetExpression($values);
    }

    /**
     * @param Expression[] $values
     *
     * @return UnsetExpression
     */
    final public static function unsetExpression(array $values)
    {
        return new UnsetExpression($values);
    }

    /**
     * @param Expression           $name
     * @param ArgumentExpression[] $arguments
     *
     * @return FunctionCallExpression
     */
    final public static function functionCall(Expression $name, array $arguments = [])
    {
        return new FunctionCallExpression($name, $arguments);
    }

    /**
     * @param Expression           $class
     * @param Expression           $name
     * @param ArgumentExpression[] $arguments
     *
     * @return StaticMethodCallExpression
     */
    final public static function staticMethodCall(Expression $class, Expression $name, array $arguments = [])
    {
        return new StaticMethodCallExpression(
                $class,
                $name,
                $arguments);
    }

    /**
     * @param Expression $class
     * @param Expression $name
     *
     * @return StaticFieldExpression
     */
    final public static function staticField(Expression $class, Expression $name)
    {
        return new StaticFieldExpression(
                $class,
                $name);
    }

    /**
     * @param Expression $condition
     * @param Expression $ifTrue
     * @param Expression $ifFalse
     *
     * @return TernaryExpression
     */
    final public static function ternary(Expression $condition, Expression $ifTrue = null, Expression $ifFalse)
    {
        return new TernaryExpression(
                $condition,
                $ifTrue,
                $ifFalse);
    }

    /**
     * @param Expression|null $value
     *
     * @return ReturnExpression
     */
    final public static function returnExpression(Expression $value = null)
    {
        return new ReturnExpression($value);
    }

    /**
     * @param Expression $exception
     *
     * @return ThrowExpression
     */
    final public static function throwExpression(Expression $exception)
    {
        return new ThrowExpression($exception);
    }

    /**
     * @param string      $name
     * @param string|null $typeHint
     * @param Expression  $defaultValue
     * @param boolean     $isPassedByReference
     * @param boolean     $isVariadic
     *
     * @return ParameterExpression
     */
    final public static function parameter(
            $name,
            $typeHint = null,
            Expression $defaultValue = null,
            $isPassedByReference = false,
            $isVariadic = false
    ) {
        return new ParameterExpression(
                $name,
                $typeHint,
                $defaultValue,
                $isPassedByReference,
                $isVariadic);
    }

    /**
     * @param Expression $value
     * @param boolean    $isUnpacked
     *
     * @return ArgumentExpression
     */
    final public static function argument(
            Expression $value,
            $isUnpacked = false
    ) {
        return new ArgumentExpression($value, $isUnpacked);
    }

    /**
     * @param mixed $value
     *
     * @return ValueExpression
     */
    final public static function value($value)
    {
        return new ValueExpression($value);
    }

    /**
     * @param string $name
     *
     * @return ConstantExpression
     */
    final public static function constant($name)
    {
        return new ConstantExpression($name);
    }

    /**
     * @param Expression $class
     * @param string     $name
     *
     * @return ClassConstantExpression
     */
    final public static function classConstant(Expression $class, $name)
    {
        return new ClassConstantExpression($class, $name);
    }

    /**
     * @param Expression $name
     *
     * @return VariableExpression
     */
    final public static function variable(Expression $name)
    {
        return new VariableExpression($name);
    }

    /**
     * @param ArrayItemExpression[] $items
     *
     * @return ArrayExpression
     */
    final public static function arrayExpression(array $items)
    {
        return new ArrayExpression($items);
    }

    /**
     * @param Expression $key
     * @param Expression $value
     * @param boolean    $isReference
     *
     * @return ArrayItemExpression
     */
    final public static function arrayItem(Expression $key = null, Expression $value, $isReference = false)
    {
        return new ArrayItemExpression($key, $value, $isReference);
    }

    /**
     * @param boolean                         $returnsReference
     * @param boolean                         $isStatic
     * @param ParameterExpression[]           $parameterExpressions
     * @param ClosureUsedVariableExpression[] $usedVariables
     * @param Expression[]                    $bodyExpressions
     *
     * @return ClosureExpression
     */
    final public static function closure(
            $returnsReference,
            $isStatic,
            array $parameterExpressions,
            array $usedVariables,
            array $bodyExpressions
    ) {
        return new ClosureExpression(
                $returnsReference,
                $isStatic,
                $parameterExpressions,
                $usedVariables,
                $bodyExpressions);
    }

    /**
     * @param string  $name
     * @param boolean $isReference
     *
     * @return ClosureUsedVariableExpression
     */
    final public static function closureUsedVariable($name, $isReference = false)
    {
        return new ClosureUsedVariableExpression($name, $isReference);
    }

    // </editor-fold>
}


1			<?php
2
3			namespace Pinq\Expressions;
4
5			use Pinq\PinqException;
6			use Pinq\Utilities;
7
8			/**
9			* The base class for object expressions.
10			*
11			* @author Elliot Levin <[email protected]>
12			*/
13			abstract class Expression implements \Serializable
14			{
15			const EXPRESSION_TYPE = __CLASS__;
16
17			/**
18			* Gets the class name as a string.
19			*
20			* @return string
21			*/
22			final public static function getType()
23			{
24			return get_called_class();
25			}
26
27			/**
28			* Gets a string representing the name of the expression.
29			*
30			* For instance \Pinq\Expressions\BinaryOperationExpression::getExpressionTypeName()
31			* returns 'BinaryOperation'
32			*
33			* @return string
34			*/
35			final public static function getExpressionTypeName()
36			{
37			return substr(get_called_class(), strlen(__NAMESPACE__) + 1, -strlen('Expression'));
38			}
39
40			/**
41			* @param Expression[] $expressions
42			* @param IEvaluationContext $context
43			*
44			* @return Expression[]
45			*/
46			final public static function simplifyAll(
47			array $expressions,
48			IEvaluationContext $context = null
49			) {
50			$simplifiedExpressions = [];
51			foreach ($expressions as $expression) {
52			$simplifiedExpressions[] = $expression->simplify($context);
53			}
54
55			return $simplifiedExpressions;
56			}
57
58			/**
59			* Returns whether the supplied name is considered normal name syntax
60			* and can be used plainly in code.
61			* Example:
62			* 'foo' -> yes: $foo
63			* 'foo bar' -> no: ${'foo bar'}
64			*
65			* @param string $name The field, function, method or variable name
66			*
67			* @return boolean
68			*/
69			final protected static function isNormalSyntaxName($name)
70			{
71			return preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $name);
72			}
73
74			/**
75			* Verifies the supplied array only contains expressions
76			* of the supplied type.
77			*
78			* @param mixed[] $expressions
79			* @param string $type
80			*
81			* @return Expression[]
82			* @throws PinqException If the array contains invalid expressions.
83			*/
84			final protected static function verifyAll(array $expressions, $type = __CLASS__)
85			{
86			foreach ($expressions as $key => $expression) {
87			if (!($expression instanceof $type)) {
88			throw new PinqException(
89			'Invalid array of expressions: invalid expression of type %s at index %s, expecting %s',
90			Utilities::getTypeOrClass($expression),
91			$key,
92			$type);
93			}
94			}
95
96			return $expressions;
97			}
98
99			/**
100			* @param ExpressionWalker $walker
101			*
102			* @return Expression
103			*/
104			abstract public function traverse(ExpressionWalker $walker);
105
106			/**
107			* Creates an expression evaluator for the expression with
108			* the supplied context.
109			*
110			* @param IEvaluationContext\|null $context
111			*
112			* @return IEvaluator
113			*/
114			public function asEvaluator(IEvaluationContext $context = null)
115			{
116			return CompiledEvaluator::fromExpressions([Expression::returnExpression($this)], $context);
117			}
118
119			final protected static function cannotEvaluate()
120			{
121			return new PinqException(
122			'Cannot evaluate expression of type %s',
123			get_called_class());
124			}
125
126			/**
127			* Evaluates the expression tree in the supplied context
128			* and returns the resulting value.
129			*
130			* @param IEvaluationContext\|null $context
131			*
132			* @return mixed
133			*/
134			public function evaluate(IEvaluationContext $context = null)
135			{
136			return $this->asEvaluator($context)->evaluate();
137			}
138
139			/**
140			* Simplifies the expression tree in the supplied context.
141			* Example:
142			* <code>
143			* -2 + 4
144			* </code>
145			* Will become:
146			* <code>
147			* 2
148			* </code>
149			*
150			* @param IEvaluationContext\|null $context
151			*
152			* @return Expression
153			*/
154			public function simplify(IEvaluationContext $context = null)
155			{
156			return Expression::value($this->evaluate($context));
157			}
158
159			/**
160			* Returns a value hash for the expression.
161			*
162			* @return string
163			*/
164			final public function hash()
165			{
166			return md5($this->compile());
167			}
168
169			final public function __toString()
170			{
171			return $this->compile();
172			}
173
174			abstract public function __clone();
175
176			/**
177			* Returns whether the expression is equivalent to the supplied expression.
178			*
179			* @param Expression $expression
180			*
181			* @return boolean
182			*/
183			public function equals(Expression $expression)
184			{
185			return $this == $expression;
186			}
187
188			/**
189			* Returns a value hash for the supplied expressions.
190			*
191			* @param Expression[] $expressions
192			*
193			* @return string
194			*/
195			final public static function hashAll(array $expressions)
196			{
197			return md5(implode('~', self::compileAll($expressions)));
198			}
199
200			/**
201			* Compiles into equivalent PHP code
202			*
203			* @param Expression[] $expressions
204			*
205			* @return string[]
206			*/
207			final public static function compileAll(array $expressions)
208			{
209			return array_map(
210			function (Expression $expression) {
211			return $expression->compile();
212			},
213			$expressions
214			);
215			}
216
217			/**
218			* Compiles the expression tree into equivalent PHP code.
219			*
220			* @return string
221			*/
222			final public function compile()
223			{
224			$code = '';
225			$this->compileCode($code);
226
227			return $code;
228			}
229
230			/**
231			* Compiles the expression tree into debug code.
232			*
233			* @return string
234			*/
235			final public function compileDebug()
236			{
237			return (new DynamicExpressionWalker([
238			ValueExpression::getType() =>
239			function (ValueExpression $expression) {
240			$value = $expression->getValue();
241
242			return !is_scalar($value) && $value !== null ?
243			Expression::constant(
244			'{' . Utilities::getTypeOrClass($expression->getValue()) . '}'
245			) : $expression;
246			}
247			]))
248			->walk($this)
249			->compile();
250			}
251
252			abstract protected function compileCode(&$code);
253
254			/**
255			* Returns whether the expressions are all of the supplied type.
256			*
257			* @param Expression[] $expressions
258			* @param string $type
259			* @param boolean $allowNull
260			*
261			* @return boolean
262			*/
263			final public static function allOfType(array $expressions, $type, $allowNull = false)
264			{
265			foreach ($expressions as $expression) {
266			if ($expression instanceof $type \|\| $expression === null && $allowNull) {
267			continue;
268			}
269
270			return false;
271			}
272
273			return true;
274			}
275
276			/**
277			* @param Expression\|null[] $expressions
278			*
279			* @return Expression\|null[]
280			*/
281			final public static function cloneAll(array $expressions)
282			{
283			return array_map(
284			function (Expression $expression = null) {
285			return $expression === null ? null : clone $expression;
286			},
287			$expressions
288			);
289			}
290
291			/**
292			* @param Expression $assignToValue
293			* @param string $assignmentOperator
294			* @param Expression $assignmentValue
295			*
296			* @return AssignmentExpression
297			*/
298			final public static function assign(Expression $assignToValue, $assignmentOperator, Expression $assignmentValue)
299			{
300			return new AssignmentExpression(
301			$assignToValue,
302			$assignmentOperator,
303			$assignmentValue);
304			}
305
306			/**
307			* @param Expression $leftOperand
308			* @param string $operator
309			* @param Expression $rightOperand
310			*
311			* @return BinaryOperationExpression
312			*/
313			final public static function binaryOperation(Expression $leftOperand, $operator, Expression $rightOperand)
314			{
315			return new BinaryOperationExpression(
316			$leftOperand,
317			$operator,
318			$rightOperand);
319			}
320
321			/**
322			* @param string $unaryOperator
323			* @param Expression $operand
324			*
325			* @return UnaryOperationExpression
326			*/
327			final public static function unaryOperation($unaryOperator, Expression $operand)
328			{
329			return new UnaryOperationExpression($unaryOperator, $operand);
330			}
331
332			/**
333			* @param Expression $classType
334			* @param ArgumentExpression[] $arguments
335			*
336			* @return NewExpression
337			*/
338			final public static function newExpression(Expression $classType, array $arguments = [])
339			{
340			return new NewExpression($classType, $arguments);
341			}
342
343			/**
344			* @param Expression $value
345			* @param Expression $name
346			* @param ArgumentExpression[] $arguments
347			*
348			* @return MethodCallExpression
349			*/
350			final public static function methodCall(Expression $value, Expression $name, array $arguments = [])
351			{
352			return new MethodCallExpression(
353			$value,
354			$name,
355			$arguments);
356			}
357
358			/**
359			* @param Expression $value
360			* @param Expression $name
361			*
362			* @return FieldExpression
363			*/
364			final public static function field(Expression $value, Expression $name)
365			{
366			return new FieldExpression($value, $name);
367			}
368
369			/**
370			* @param Expression $value
371			* @param Expression\|null $index
372			*
373			* @return IndexExpression
374			*/
375			final public static function index(Expression $value, Expression $index = null)
376			{
377			return new IndexExpression($value, $index);
378			}
379
380			/**
381			* @param Expression $valueExpression
382			* @param ArgumentExpression[] $arguments
383			*
384			* @return InvocationExpression
385			*/
386			final public static function invocation(Expression $valueExpression, array $arguments = [])
387			{
388			return new InvocationExpression($valueExpression, $arguments);
389			}
390
391			/**
392			* @param string $castType
393			* @param Expression $castValue
394			*
395			* @return CastExpression
396			*/
397			final public static function cast($castType, Expression $castValue)
398			{
399			return new CastExpression($castType, $castValue);
400			}
401
402			// <editor-fold desc="Factory Methods">
403
404			/**
405			* @param Expression $value
406			*
407			* @return EmptyExpression
408			*/
409			final public static function emptyExpression(Expression $value)
410			{
411			return new EmptyExpression($value);
412			}
413
414			/**
415			* @param Expression[] $values
416			*
417			* @return IssetExpression
418			*/
419			final public static function issetExpression(array $values)
420			{
421			return new IssetExpression($values);
422			}
423
424			/**
425			* @param Expression[] $values
426			*
427			* @return UnsetExpression
428			*/
429			final public static function unsetExpression(array $values)
430			{
431			return new UnsetExpression($values);
432			}
433
434			/**
435			* @param Expression $name
436			* @param ArgumentExpression[] $arguments
437			*
438			* @return FunctionCallExpression
439			*/
440			final public static function functionCall(Expression $name, array $arguments = [])
441			{
442			return new FunctionCallExpression($name, $arguments);
443			}
444
445			/**
446			* @param Expression $class
447			* @param Expression $name
448			* @param ArgumentExpression[] $arguments
449			*
450			* @return StaticMethodCallExpression
451			*/
452			final public static function staticMethodCall(Expression $class, Expression $name, array $arguments = [])
453			{
454			return new StaticMethodCallExpression(
455			$class,
456			$name,
457			$arguments);
458			}
459
460			/**
461			* @param Expression $class
462			* @param Expression $name
463			*
464			* @return StaticFieldExpression
465			*/
466			final public static function staticField(Expression $class, Expression $name)
467			{
468			return new StaticFieldExpression(
469			$class,
470			$name);
471			}
472
473			/**
474			* @param Expression $condition
475			* @param Expression $ifTrue
476			* @param Expression $ifFalse
477			*
478			* @return TernaryExpression
479			*/
480			final public static function ternary(Expression $condition, Expression $ifTrue = null, Expression $ifFalse)
481			{
482			return new TernaryExpression(
483			$condition,
484			$ifTrue,
485			$ifFalse);
486			}
487
488			/**
489			* @param Expression\|null $value
490			*
491			* @return ReturnExpression
492			*/
493			final public static function returnExpression(Expression $value = null)
494			{
495			return new ReturnExpression($value);
496			}
497
498			/**
499			* @param Expression $exception
500			*
501			* @return ThrowExpression
502			*/
503			final public static function throwExpression(Expression $exception)
504			{
505			return new ThrowExpression($exception);
506			}
507
508			/**
509			* @param string $name
510			* @param string\|null $typeHint
511			* @param Expression $defaultValue
512			* @param boolean $isPassedByReference
513			* @param boolean $isVariadic
514			*
515			* @return ParameterExpression
516			*/
517			final public static function parameter(
518			$name,
519			$typeHint = null,
520			Expression $defaultValue = null,
521			$isPassedByReference = false,
522			$isVariadic = false
523			) {
524			return new ParameterExpression(
525			$name,
526			$typeHint,
527			$defaultValue,
528			$isPassedByReference,
529			$isVariadic);
530			}
531
532			/**
533			* @param Expression $value
534			* @param boolean $isUnpacked
535			*
536			* @return ArgumentExpression
537			*/
538			final public static function argument(
539			Expression $value,
540			$isUnpacked = false
541			) {
542			return new ArgumentExpression($value, $isUnpacked);
543			}
544
545			/**
546			* @param mixed $value
547			*
548			* @return ValueExpression
549			*/
550			final public static function value($value)
551			{
552			return new ValueExpression($value);
553			}
554
555			/**
556			* @param string $name
557			*
558			* @return ConstantExpression
559			*/
560			final public static function constant($name)
561			{
562			return new ConstantExpression($name);
563			}
564
565			/**
566			* @param Expression $class
567			* @param string $name
568			*
569			* @return ClassConstantExpression
570			*/
571			final public static function classConstant(Expression $class, $name)
572			{
573			return new ClassConstantExpression($class, $name);
574			}
575
576			/**
577			* @param Expression $name
578			*
579			* @return VariableExpression
580			*/
581			final public static function variable(Expression $name)
582			{
583			return new VariableExpression($name);
584			}
585
586			/**
587			* @param ArrayItemExpression[] $items
588			*
589			* @return ArrayExpression
590			*/
591			final public static function arrayExpression(array $items)
592			{
593			return new ArrayExpression($items);
594			}
595
596			/**
597			* @param Expression $key
598			* @param Expression $value
599			* @param boolean $isReference
600			*
601			* @return ArrayItemExpression
602			*/
603			final public static function arrayItem(Expression $key = null, Expression $value, $isReference = false)
604			{
605			return new ArrayItemExpression($key, $value, $isReference);
606			}
607
608			/**
609			* @param boolean $returnsReference
610			* @param boolean $isStatic
611			* @param ParameterExpression[] $parameterExpressions
612			* @param ClosureUsedVariableExpression[] $usedVariables
613			* @param Expression[] $bodyExpressions
614			*
615			* @return ClosureExpression
616			*/
617			final public static function closure(
618			$returnsReference,
619			$isStatic,
620			array $parameterExpressions,
621			array $usedVariables,
622			array $bodyExpressions
623			) {
624			return new ClosureExpression(
625			$returnsReference,
626			$isStatic,
627			$parameterExpressions,
628			$usedVariables,
629			$bodyExpressions);
630			}
631
632			/**
633			* @param string $name
634			* @param boolean $isReference
635			*
636			* @return ClosureUsedVariableExpression
637			*/
638			final public static function closureUsedVariable($name, $isReference = false)
639			{
640			return new ClosureUsedVariableExpression($name, $isReference);
641			}
642
643			// </editor-fold>
644			}
645

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Expression::staticField() A last analyzed 2017-09-06 06:30 UTC

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Expression::staticField() A
last analyzed 2017-09-06 06:30 UTC